Precision plastic injection molding
Horizontal and vertical injection molding machines from 35 to 300 tons, specialising in small parts with high quality requirements.
Products are shaped by injecting heat-softened plastic into a mold. SIN OH TECH makes components for electronics, phones, home appliances and automobiles; most are very small parts with high quality requirements.
What the service includes
- Horizontal machines HYUNDAI, WOOJIN, TOPSTAR (120–300 tons)
- Vertical machines WOOJIN 75T and JY 35T
- Custom plastic housings and components for many industries
- Inspection with microscopes, 3D measurement and spectrophotometer
- Flash (bavia) removal and packing to customer requirements
Frequently asked questions
+Which injection molding machines do you have?
Horizontal machines HYUNDAI 150T, WOOJIN 120T, TOPSTAR 260T/280T/300T and vertical machines WOOJIN 75T and JY 35T. The full list is on the Machinery page.
+Which industries do you produce for?
Plastic shells and components for cars, televisions, fax machines, computers, phones, vacuum cleaners, air conditioners and many other small parts.
+How is quality controlled?
The plant runs ISO 9001:2015 and ISO 14001:2015 management systems (certified by SGS). Parts are checked under microscopes, visually, with 3D measurement and a spectrophotometer before packing.
+How do I get a quotation?
Send your drawings or a description of the part on the Request a quote page and our engineers will review it and reply.